tree b5690b42f19f64442214b808e6760f021c63e0f5
parent 4388fb213ec746ee18a6bea38ee894f8c19990b9
author Mingyao Yang <mingyao@google.com> 1510875646 -0800
committer Mingyao Yang <mingyao@google.com> 1512671268 -0800

type conversion elimination for store value only uses.

Some type conversions can be eliminated if the converted values are used
as store values only. Code generation can handle the conversion
implicitly.

Test: run-test on host. 711-checker-type-conversion.
Change-Id: I60a402cf4610683acc5ca2ceba19045b4c17b843